SGI Announces Fourth Quarter and Fiscal Year 2007 Release and Earnings Call

SUNNYVALE, Calif. (Aug 3, 2007) — SGI (NASDAQ: SGIC) announced today that it plans to release its fourth quarter 2007 and FY2007 financial results after the market closes on Thursday, August 30, 2007. The Company has scheduled a Webcast and conference call to discuss results on Thursday, August 30, 2007 at 2:00 p.m. PDT.

The Webcast will be available on the SGI Investors Relations Web page at the time of the call. The conference call can be accessed by dialing (877) 495-0297 or (706) 643-9931 for participants outside of North America, conference ID: 12134369. An audio replay of this call will be available from August 30 after 5:00 p.m. PDT until October 1, 2007. The replay can be accessed by dialing (800) 642-1687 or (706) 645-9291 for individuals outside of North America, conference ID: 12134369. All links to the archived Webcast and audio replay will be available through SGI's Web site at www.sgi.com/company_info/investors/.

SGI - Innovation for Results™
SGI (NASDAQ: SGIC) is a leader in high-performance computing. SGI delivers a complete range of high-performance server and storage solutions along with industry-leading professional services and support that enable its customers to overcome the challenges of complex data-intensive workflows and accelerate breakthrough discoveries, innovation and information transformation. SGI solutions help customers solve their computing challenges whether it's enhancing the quality of life through drug research, designing and manufacturing safer and more efficient cars and airplanes, studying global climate, providing technologies for homeland security and defense, or helping enterprises manage large data. With offices worldwide, the company is headquartered in Sunnyvale, Calif., and can be found on the Web at www.sgi.com.

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